Escalators and stairs Where we go from here Sound Transit Citizen - - PowerPoint PPT Presentation

Escalators and stairs

Where we go from here

Sound Transit Citizen Oversight Panel December 6, 2018

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• Escalator performance at UW Station has not met

customer or agency expectations

• Customers have repeatedly experienced major

disruptions

• We have a plan to fix the problem

Why we’re here

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Why we’re here

Capitol Hill UW

Frequency of outages

4.5x

Capitol Hill UW

Maintenance cost per unit

3.6x

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What we’ve done

• Studied options for maintaining or modernizing current

escalators vs. replacing all units

• Conducted Total Cost of Ownership (TCO) analysis
• Developed preliminary replacement timelines

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Why replacement?

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• Less expensive to replace now than maintain current

units through expected end of useful life (2025)

• Better reliability for customers years sooner

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Complete

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Execute emergency stair protocol Done

2.

Complete repairs recommended by consultant Q4 2018

3.

Transfer UW maintenance to manufacturer Q4 2018

4.

Convert back stairs for full-time use Q1 2019

5.

Connect sub-mezzanines 2019

6.

Replace two down escalators with stairs 2019-2022

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Replace the other 11 escalators 2019-2022

What we’re doing

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Public stair location

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Submezzanine connection

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Capitol Hill Station

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Problem:

• Public stairs available from mezzanines to surface, but

platform access depends on escalators/elevators

Solution:

• Convert stairs to all levels for permanent public use (2019)

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Public stair location

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Solution:

• Public stairs when station opens in 2021
• Contractor change order underway

U District Station

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Public stair location U District Station

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Downtown Seattle transit tunnel

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• Taking ownership from King County Metro in 2020
• Unknown scope of maintenance needs
• Inheriting 36 escalators and 22 elevators

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Bottom line

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• UW & Capitol Hill will have public stairs by early 2019.
• U District Station will have public stairs upon opening.
• We will replace all UW Station escalators.
• Staff will return to the Board to authorize funds in 2019.
• UW replacement begins in 2019, complete in 2022

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Message to our riders

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• We apologize.
• We have learned valuable design & procurement lessons.
• We have a plan.
• Any station with escalators will also include stairs.
• We will only install heavy duty escalators.
• Future elevated or tunnel stations will have redundant

access.

Questions?